From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 3265EF6D for ; Mon, 8 Jan 2018 06:34:19 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from mx2.mailbox.org (mx2.mailbox.org [80.241.60.215]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 4631BE3 for ; Mon, 8 Jan 2018 06:34:18 +0000 (UTC) Received: from smtp2.mailbox.org (smtp2.mailbox.org [80.241.60.241]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx2.mailbox.org (Postfix) with ESMTPS id 68A864105B; Mon, 8 Jan 2018 07:34:16 +0100 (CET) X-Virus-Scanned: amavisd-new at heinlein-support.de Received: from smtp2.mailbox.org ([80.241.60.241]) by spamfilter02.heinlein-hosting.de (spamfilter02.heinlein-hosting.de [80.241.56.116]) (amavisd-new, port 10030) with ESMTP id WYG9vT4U5XNG; Mon, 8 Jan 2018 07:34:11 +0100 (CET) Date: Mon, 8 Jan 2018 06:33:44 +0000 From: nullius To: Gregory Maxwell , Bitcoin Protocol Discussion Message-ID: <6dbb7b72d167cfe2ee5ad5aedbbfa12f@nym.zone> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="iabju2rwkmswbda6" Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org X-Mailman-Approved-At: Mon, 08 Jan 2018 13:57:41 +0000 Subject: Re: [bitcoin-dev] Satoshilabs secret shared private key scheme X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Bitcoin Protocol Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Jan 2018 06:34:19 -0000 --iabju2rwkmswbda6 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2018-01-08 at 04:22:43 +0000 Gregory Maxwell wrote: >I'm happy to see that there is no obvious way to abuse this one as a=20 >brainwallet scheme! BIP 39 was designed to make brainwallets secure! If a user generates a=20 weakling 12-word mnemonic from 16 tiny octets of entropy drawn off the=20 non-artistic /dev/urandom, then protects its seed with a creative=20 passphrase haiku about the power of human stupidity, then the result=20 will have a 128-bit security level. PROVE ME WRONG. --=20 nullius@nym.zone | PGP ECC: 0xC2E91CD74A4C57A105F6C21B5A00591B2F307E0C BIP 39 tool in progress, currently growing brainw^H^H^H^H^Hpassphrase=20 support to help poor /dev/urandom: https://github.com/nym-zone/easyseed Bitcoin: bc1qcash96s5jqppzsp8hy8swkggf7f6agex98an7h --iabju2rwkmswbda6 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEARYKAB0WIQSNOMR84IlYpr/EF5vEJ5MVn575SQUCWlMQyAAKCRDEJ5MVn575 SeHUAQDu94WTVWMgaK4LAVBaVN+zH0nhTNpa0/sOw24m2TJLZwD/ehBmVsTjvEHD tjrhM51AacQsH0CeIjqG8DYkFrm5ZwY= =db/S -----END PGP SIGNATURE----- --iabju2rwkmswbda6--